    <form action="" method="POST" id="myform">
        {{csrf_field()}}
        <div class="box-body">
            <div class="form-group">
                <label>微信群编码：</label>
                <input type="text" class="form-control" value="{{$token}}" name="group_token" readonly>
            </div>
        </div>
        <span id="err_token" style="color:red"></span>
        <div class="box-body">
            <div class="form-group">
                <label>机器助手名称：</label>
                <input type="text" class="form-control" name="robot">
            </div>
        </div>
        <span id="err_robot" style="color:red"></span>
    </form>